From 95b08b8b4a001f7423cbbe5b8c6bc2b0c99682a5 Mon Sep 17 00:00:00 2001
From: allanjude <allanjude@FreeBSD.org>
Date: Sat, 4 Feb 2017 06:12:48 +0000
Subject: [PATCH] Switch hastctl and hastd to libmd instead of openssl for
 sha256

Reviewed by:	bapt, brnrd, pjd
Approved by:	pjd (maintainer)
Sponsored by:	ScaleEngine Inc., FOSDEM DevSummit
Differential Revision:	https://reviews.freebsd.org/D9423
---
 sbin/hastctl/Makefile      |  6 +-----
 sbin/hastd/Makefile        |  6 +-----
 sbin/hastd/hast_checksum.c | 15 +--------------
 sbin/hastd/hast_proto.c    |  4 ----
 4 files changed, 3 insertions(+), 28 deletions(-)

diff --git a/sbin/hastctl/Makefile b/sbin/hastctl/Makefile
index a24b55e87f52..f3f2ac46ab4c 100644
--- a/sbin/hastctl/Makefile
+++ b/sbin/hastctl/Makefile
@@ -33,11 +33,7 @@ CFLAGS+=-DINET6
 CFLAGS+=-DYY_NO_UNPUT
 CFLAGS+=-DYY_NO_INPUT
 
-LIBADD=	util
-.if ${MK_OPENSSL} != "no"
-LIBADD+=	crypto
-CFLAGS+=-DHAVE_CRYPTO
-.endif
+LIBADD=	md util
 
 YFLAGS+=-v
 
diff --git a/sbin/hastd/Makefile b/sbin/hastd/Makefile
index 7ffebf9a4fa6..d3854850d3b3 100644
--- a/sbin/hastd/Makefile
+++ b/sbin/hastd/Makefile
@@ -31,11 +31,7 @@ CFLAGS+=-DINET
 CFLAGS+=-DINET6
 .endif
 
-LIBADD=	geom pthread util
-.if ${MK_OPENSSL} != "no"
-LIBADD+=	crypto
-CFLAGS+=-DHAVE_CRYPTO
-.endif
+LIBADD=	geom md pthread util
 
 YFLAGS+=-v
 
diff --git a/sbin/hastd/hast_checksum.c b/sbin/hastd/hast_checksum.c
index 795744e09f99..0cdf1e6f0627 100644
--- a/sbin/hastd/hast_checksum.c
+++ b/sbin/hastd/hast_checksum.c
@@ -31,22 +31,15 @@ __FBSDID("$FreeBSD$");
 #include <string.h>
 #include <strings.h>
 
-#ifdef HAVE_CRYPTO
-#include <openssl/sha.h>
-#endif
-
 #include <crc32.h>
 #include <hast.h>
 #include <nv.h>
+#include <sha256.h>
 #include <pjdlog.h>
 
 #include "hast_checksum.h"
 
-#ifdef HAVE_CRYPTO
 #define	MAX_HASH_SIZE	SHA256_DIGEST_LENGTH
-#else
-#define	MAX_HASH_SIZE	4
-#endif
 
 static void
 hast_crc32_checksum(const unsigned char *data, size_t size,
@@ -60,7 +53,6 @@ hast_crc32_checksum(const unsigned char *data, size_t size,
 	*hsizep = sizeof(crc);
 }
 
-#ifdef HAVE_CRYPTO
 static void
 hast_sha256_checksum(const unsigned char *data, size_t size,
     unsigned char *hash, size_t *hsizep)
@@ -72,7 +64,6 @@ hast_sha256_checksum(const unsigned char *data, size_t size,
 	SHA256_Final(hash, &ctx);
 	*hsizep = SHA256_DIGEST_LENGTH;
 }
-#endif	/* HAVE_CRYPTO */
 
 const char *
 checksum_name(int num)
@@ -102,11 +93,9 @@ checksum_send(const struct hast_resource *res, struct nv *nv, void **datap,
 	case HAST_CHECKSUM_CRC32:
 		hast_crc32_checksum(*datap, *sizep, hash, &hsize);
 		break;
-#ifdef HAVE_CRYPTO
 	case HAST_CHECKSUM_SHA256:
 		hast_sha256_checksum(*datap, *sizep, hash, &hsize);
 		break;
-#endif
 	default:
 		PJDLOG_ABORT("Invalid checksum: %d.", res->hr_checksum);
 	}
@@ -138,10 +127,8 @@ checksum_recv(const struct hast_resource *res __unused, struct nv *nv,
 	}
 	if (strcmp(algo, "crc32") == 0)
 		hast_crc32_checksum(*datap, *sizep, chash, &chsize);
-#ifdef HAVE_CRYPTO
 	else if (strcmp(algo, "sha256") == 0)
 		hast_sha256_checksum(*datap, *sizep, chash, &chsize);
-#endif
 	else {
 		pjdlog_error("Unknown checksum algorithm '%s'.", algo);
 		return (-1);	/* Unknown checksum algorithm. */
diff --git a/sbin/hastd/hast_proto.c b/sbin/hastd/hast_proto.c
index dd41fb1aaba4..367e4e171816 100644
--- a/sbin/hastd/hast_proto.c
+++ b/sbin/hastd/hast_proto.c
@@ -42,9 +42,7 @@ __FBSDID("$FreeBSD$");
 #include <pjdlog.h>
 #include <proto.h>
 
-#ifdef HAVE_CRYPTO
 #include "hast_checksum.h"
-#endif
 #include "hast_compression.h"
 #include "hast_proto.h"
 
@@ -68,9 +66,7 @@ struct hast_pipe_stage {
 
 static struct hast_pipe_stage pipeline[] = {
 	{ "compression", compression_send, compression_recv },
-#ifdef HAVE_CRYPTO
 	{ "checksum", checksum_send, checksum_recv }
-#endif
 };
 
 /*